networking - no Wifi Adapter found , earlier everything was working, not working suddenly wireless lan hard-blocked - Ask Ubuntu
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Solved: No Wifi adapter in ubuntu 18.04.1 for hp 15-dy0004au, AMD Ry... - HP Support Community - 6862022
How to install wifi driver? - Lubuntu Support - Lubuntu Discourse
How to use the WiFi in Ubuntu 20.04 using realtek semiconductor 802.11n - DEV Community